types of systems animation

Communication Systems..

Communication Systems..

Communication Systems..

Endocrine Glands - Meaning and Types - A wide variety of physiological processes are carried out unconsciously by the endocrine system through chemical messengers called "hormones." The endocrine system is a collection of glands that produces these hormones, which are ..

Movement involves 3 basic mechanisms. They are amoeboid, ciliary and muscular. Amoeboid movement is typically found in amoeba, a unicellular animal. Amoeba moves by producing pseudopodia, which are cytoplasmic projections. This involves change in the shape of the cell body and streaming ..

Types of Heterotrophic Nutrition - Parasitic - In ancient Greece, the person getting free meals for entertaining others by his amusing converstions was called a parasite - 'para' refers to beside and 'sitos' refers to grains. Thus, parasitism is defined as an association between individua..

Among the higher organisms, most parasites are animals. However, there are certain plants which lack chlorophyll pigment (without which photosynthesis cannot take place) and are thus parasites on other plants. For example, Cuscuta (Dodder), Viscu..

Diversity in the Living World..

Newton's Laws of Motion..

Schematic transverse section to show open blood vascular system of an insect Three sinuses in Cockro..